EasyOpen® locking Slant-D® ring mechanism instantly engages when closed eliminating two-step and two-hand operation. No scratched desks or bookshelves from triggers that don't close up. Opens and closes with just the touch of one finger which earned this binder the "Ease-Of-Use" Commendation from the Arthritis Foundation. Safer and easier to use than other metal ring binders&mdashno more pinched fingers. Holds 25% more than conventional round ring binders. Clear overlay on front cover back cover and spine allows insertion of custom title sheets for a professional looking presentation. Maximum Capacity Range ("): 1 in Sheet Capacity: 200 Color(s): Black Binder Sheet Size: 11 x 8 1/2.Unit of Measure : Each